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SystemDisplay.mesa 2-Sep-78 18:05:56 Page 1 -- SystemDisplay.mesa; edited by Sandman; Aug 30. 1978 9:30 AM DIRECTORY AltoDefs: FROM "altodefs" USING [PageSize. wordlength]. BitBltDefs: FROM "bitbltdefs" USING [BBptr. BBTable. BITBlT]. DisplayDefs: FROM "displaydefs" USING [Background]. FontDefs: FROM "fontdefs" USING [BitmapState. FontHandle]. ImageDefs: FROM "imagedefs" USING [ AddCleanupProcedure. CleanupItem. CleanupMask. CleanupProcedure]. InlineDefs: FROM "inlinedefs" USING [BITSHIFT. BITXOR. COPY]. SegmentDefs: FROM "segmentdefs" USING [ DataSegmentAddress. DataSegmen~Handle. DefaultBase. DeleteDataSegment. NewDataSegment]. StreamDefs: FROM "streamdefs" USING [ DiskHandle. DisplayHandle. GetIndex. ModifyIndex. SetIndex. StreamError. StreamHandle. StreamIndex. StreamObject]: SystemDisplay: PROGRAM IMPORTS ImageDefs. SegmentDefs. StreamDefs EXPORTS DisplayDefs. StreamDefs SHARES StreamDefs D BEGIN BitsPerWord: CARDINAL a AltoDefs.wordlength; StreamHandle: TYPE ~ StreamDefs.StreamHandle; OrderedPOINTER: TYPE = ORDERED POINTER; OrderedNIL: OrderedPOINTER = LOOPHOlE[NIl]; TAB: CHARACTER